OpenTechnical

OT-2026-000036017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000036017) never changes.

Identity and time

Publication numberOT-2026-000036017 · never reused
Internal UUID01a0ae77-01cd-78e5-a7ab-d2820ea88755 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036017
StatusPUBLIC

Content hashes

Canonical text7af34a5057415daab5c6127049022112bf10c3df5ec8641c18b33b2877816e64
Markdown412885980249134e87876f9ead425befa65bbc2ac173bbc3492839c4dc22940b
PDF
Publication page0a524214a0bd2a4910736e46416151d2c12289b8ba7a721a63f20c5ded59d68a
Manifeste532c72ae90bb847c7d39b0face75912dcd439925c24a97f81eae88017d07e01

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureH1Mby+LuaJ11BQBFWfmqU4sCZDibPkkjVeoz0TofjIRRoj4xFHA3WxHCjAxueknsKjULeSSbM6/rC6sIO9jBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:11.272919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036017
observed 0a524214a0bd2a4910736e46416151d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:11.254256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036017/manifest.json
observed e532c72ae90bb847c7d39b0face75912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:11.236394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036017/publication.md
observed 412885980249134e87876f9ead425bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:11.215388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036017/publication.txt
observed 7af34a5057415daab5c6127049022112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.